things to check before we switch

[tjhei]

• [ ] check index
• [x] make sure the nav layout is sane
• [x] check/create separate news page
• [ ] check info, generate content for info.md
• [ ] check all subpages under info
• [ ] check current_release.md
• [x] create gallery.md
• [ ] check applications.md
• [ ] create development.md overview page
• [ ] check all subpages under development
• [x] add contributors to team.md
• [x] bring back static webpage contents (workshops, images for docu, release papers)